package controller;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;
import entity.Supplier;
import entity.SysUser;
import service.SupplierService;
import service.UploadService;
import utils.Constants;
import utils.Page;

import java.util.Date;
import java.util.HashMap;
import java.util.Map;


@Controller
@RequestMapping("/main/supplier")
public class SupplierController extends BaseController{
    private static final Logger LOGGER =
            LoggerFactory.getLogger(SupplierController.class);
    @Autowired
    private SupplierService supplierService;
    @Autowired
    private UploadService uploadService;

    @RequestMapping("/page")
    public String page(Model model, Supplier condition,
                       @RequestParam(value = "pageNo", defaultValue = "1") Integer pageNo,
                       @RequestParam(value = "pageSize", defaultValue = "5") Integer pageSize){
        Page<Supplier> page = null;
        try {
            // 查询用户的分页信息
            page = supplierService.getPage(condition, pageNo, pageSize);
            // 将分页数据、角色列表和查询条件设置到模型数据中
            model.addAttribute("pageInfo", page);
            model.addAttribute("condition", condition);
        } catch (Exception e) {
            LOGGER.error("SysUserController 中的 page 方法执行发生错误。 ", e);
            throw new RuntimeException(e);
        }
        return "supplier/page";
    }

    @GetMapping("/save")
    public String toSave(Model model) {
        try {
            // 回显数据时需要 sysUser，这里给个空对象避免出错
            model.addAttribute("supplier", new Supplier());
        } catch (Exception e) {
            LOGGER.error("SysUserController中的toSave方法执行发生错误。", e);
            throw new RuntimeException(e);
        }
        return "supplier/save";
    }

    @PostMapping("/save")
    public String doSave(Supplier supplier, @RequestParam("bizPic") MultipartFile bizPic) {
        // 允许的上传图片后缀
        String[] allowImageExt = {"jpg", "jpeg", "png", "gif", "bmp"};
        try {
            // 上传营业执照
            String bizPicPath = uploadService.uploadFile(bizPic, allowImageExt);
            supplier.setBizPicPath(bizPicPath);

            // 通过父类的 session 方法获取登录用户，由于泛型自动转换无需强转
            SysUser loginUser = session(Constants.SESSION_USER);
            boolean ok = false;
            if (supplier.getId() == null) {
                // 如果是添加用户，关联创建用户为当前登陆用户
                supplier.setCreatedUserId(loginUser.getId());
                supplier.setCreatedTime(new Date());
                ok = supplierService.insertSupplier(supplier);
            } else {
                // 如果是修改用户，关联修改用户为当前登陆用户
                supplier.setUpdatedUserId(loginUser.getId());
                supplier.setUpdatedTime(new Date());
                ok = supplierService.updateSupplier(supplier);
            }
            if (ok) {
                // 保存成功，跳回列表页面
                return redirect("/main/supplier/page");
            }
        } catch (Exception e) {
            LOGGER.error("SysUserController中的doSave方法执行发生错误。", e);
            throw new RuntimeException(e);
        }
        return "supplier/save";

    }
    @GetMapping("/view/{id}")
    public String view(@PathVariable("id") Long id, Model model){
        Supplier supplier = null;
        try {
            supplier = supplierService.getById(id);
            System.out.println(supplier.toString());
            model.addAttribute("supplier", supplier);
        } catch (Exception e) {
            LOGGER.error("SysUserController 中的 view 方法执行发生错误。 ", e);
            throw new RuntimeException(e);
        }
        return "supplier/view";
    }

    /**
     * 查询用户信息并跳转修改页（共用 save.jsp)
     */
    @GetMapping("/edit")
    public String toEdit(@RequestParam("id") Long id, Model model) {
        Supplier supplier = null;
        try {
            supplier = supplierService.getById(id);
            // 回显数据时需要 sysUser，这里给个空对象避免出错
            model.addAttribute("supplier", supplier);
        } catch (Exception e) {
            LOGGER.error("SysUserController 中的 toEdit 方法执行发生错误。 ", e);
            throw new RuntimeException(e);
        }return "supplier/save";
    }
    @DeleteMapping("/del/{id}")
    @ResponseBody
    public Object del(@PathVariable("id") Integer id, Model model){
        Map<String,Object> map = new HashMap<>();
        try {
            int num = supplierService.deleteSuppliers(id);
            if (num > 0) {
                map.put("code",200);
                map.put("msg","删除成功");
            }
        } catch (Exception e) {
            LOGGER.error("SysUserController 中的 view 方法执行发生错误。 ", e);
            throw new RuntimeException(e);
        }
        return map;
    }

    @ResponseBody
    @GetMapping("/supCodeExist")
    public Object supCodeExist(@RequestParam("supCode") String supCode){
        Map<String,Object> map = new HashMap<>();
        try{
            // 角色编号不可为空
            if(StringUtils.isEmpty(supCode)){
                map.put("exist", 0);
            }else {
                Supplier supplier = supplierService.getSupCode(supCode);
                if(null != supplier) {
                    map.put("exist", 1);
                }else {
                    map.put("exist", 0);
                }
            }
        }catch (Exception e){
            LOGGER.error("SysUserController中的accountExists方法执行发生错误", e);
            map.put("error", "出现异常，请联系管理员处理！ ");
        }
        return map;
    }
}
